<template>
  <div class="app-container">


    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['system:sysHelp:add']">新增</el-button>
      </el-col>

      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="sysHelpList" @selection-change="handleSelectionChange">
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="子标题" align="center" prop="subTitle" />
      <el-table-column label="封面" align="center" prop="cover">
        <template slot-scope="scope">
          <ImagePreview :src="scope.row.cover" width="100px" height="100px"></ImagePreview>
        </template>
      </el-table-column>

      <el-table-column label="资源连接" align="center" prop="content">
  
      </el-table-column>

      <el-table-column label="创建时间" align="center" prop="createTime" />
      <el-table-column label="创建者" align="center" prop="createBy" />

      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">

          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['system:sysHelp:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['system:sysHelp:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改系统-帮助对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="子标题" prop="subTitle">
          <el-input v-model="form.subTitle" placeholder="请输入标题" />
        </el-form-item>

        <el-form-item label="封面" prop="cover">
          <ImageUpload :limit="1" :type="8" v-model="form.cover"></ImageUpload>
        </el-form-item>


        <template >
          <el-form-item label="资源链接" prop="content">
            <el-input v-model="form.content" placeholder="资源链接" />
          </el-form-item>
        </template>



      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import {
    listSysHelp,
    getSysHelp,
    delSysHelp,
    addSysHelp,
    updateSysHelp
  } from "@/api/service/sys/sysHelp";

  export default {
    name: "SysHelp",
    data() {
      return {
        contentType: 1,
        // 按钮loading
        buttonLoading: false,
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 系统-帮助表格数据
        sysHelpList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          type: undefined,
          title: undefined,
          content: undefined,
          cover: undefined
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          title: [{
            required: true,
            message: "标题不能为空",
            trigger: "blur"
          }],
          subTitle: [{
            required: true,
            message: "子标题不能为空",
            trigger: "blur"
          }],
          content: [{
            required: true,
            message: "内容不能为空",
            trigger: "blur"
          }],
          cover: [{
            required: true,
            message: "封面不能为空",
            trigger: "blur"
          }]
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询系统-帮助列表 */
      getList() {
        this.loading = true;
        listSysHelp(this.queryParams).then(response => {
          this.sysHelpList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: undefined,
          createTime: undefined,
          createBy: undefined,
          updateTime: undefined,
          updateBy: undefined,
          type: undefined,
          title: undefined,
          content: undefined,
          cover: undefined
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加安全小贴";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.loading = true;
        this.reset();
        const id = row.id || this.ids
        getSysHelp(id).then(response => {
          this.loading = false;
          this.form = response.data;
          this.open = true;
          this.title = "修改安全小贴";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            this.buttonLoading = true;
            if (this.form.id != null) {
              updateSysHelp(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }).finally(() => {
                this.buttonLoading = false;
              });
            } else {
              addSysHelp(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }).finally(() => {
                this.buttonLoading = false;
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除安全小贴编号为"' + ids + '"的数据项？').then(() => {
          this.loading = true;
          return delSysHelp(ids);
        }).then(() => {
          this.loading = false;
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {}).finally(() => {
          this.loading = false;
        });
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('system/sysHelp/export', {
          ...this.queryParams
        }, `sysHelp_${new Date().getTime()}.xlsx`)
      }
    }
  };
</script>
